air condition NISSAN 300ZX 1984 Z31 Brake System Workshop Manual

BRAKE BOOSTER
Inspection
HOSES AND CONNECTORS
0 Check condition of vacuum hoses and con-
0 Check vacuum hoses and check valve for air
nections.
tightness
68R832
CHECK VALVE
0 When pressure is applied to the brake booster
side of check valve and valve does not open,
replace check valve with
a new one.
Manlfold %de Brake booster ride
S8R846
OUTPUT ROD LENGTH
PV servo cannot be adjusted as output rod thread
portion
is secured by adhesive
Adjustment
INPUT ROD LENGTH
Adjust length by turning Clevis.
Length "B":
140 mm (5.51 in1
BR-8

FRONT DISC BRAKE (CL28VA, CL28VB) - Caliper
Removal and Installation
Remove torque member fixing bolts and brake
hose connector
SBR839
Disassembly
Push out piston with dust seal using compressed
air
SER772
Inspection
CAUTION: Use brake fluid to clean. Never
use mineral oil
CYLINDER BODY
a Check inside surface of cylinder for score, rust,
wear, damage or presence of foreign materials.
If any of the above conditions
are observed,
replace cylinder body.
Minor damage from rust of foreign materials
may be eliminated by polishing surface with
a
fine emery paper. Replace cylinder body if
necessary.
a
PISTON
Check piston for score, rust, wear, damage or
presence of foreign materials. Replace if any of
the above conditions are observed.
CAUTl ON :
Piston sliding surface IS plated. Do not polish with
emery paper even if rust
or foreign materials IS
stuck to sliding surface.
PIN, PIN BOLT, RETAINER BOOT, RUBBER
BUSHING, RETAINER BUSHING, AND
PIN
BOOT
Check for wear, cracks or other damage. Replace
if any of the above conditions are observed
0
0
Properly secure dust seal.
a
With dust seal fitted to piston, insert dust seal
into groove on cylinder body and install piston.
Pay attention to piston
seal direction.
y000t n
PlStO"
Plrron seal
ULdU
LCvlinder body SBR574
BR-10